# Koloma funding: rounds and investors

> Koloma has raised $50M across 1 round since 2024. Investors include Khosla Ventures, US Department of Energy and K5 Global. Every round with its source.

Source: https://millionrounds.com/company/koloma (Millionrounds; every figure on the page links to its filing or article)

United States · [Series B startup](https://millionrounds.com/companies)

# Who invested in *Koloma*

One round we have observed, with the 4 investors named in it. Every figure came from a named source, and where the company reported a raise to the SEC itself, that is shown beside it.

Energy

Funding summary Updated 26 Oct 2026

**$50M** raised across 1 round since 2024, from 1 source

- **Latest round:** Series B, $50M Oct 2024
- **Investors:** 4

See who backed them

## The rounds

- **Oct 2024** Series B **$50M** [Khosla Ventures](https://millionrounds.com/fund/khosla-ventures) [US Department of Energy](https://millionrounds.com/fund/u-s-department-of-energy) [K5 Global](https://millionrounds.com/fund/k5-global) [Breakthrough Energy](https://millionrounds.com/fund/breakthrough-energy) Source recorded SEC filing: $52M sold, first sale Aug 2024

## Everyone who backed them

[Khosla Ventures](https://millionrounds.com/fund/khosla-ventures) VC firm **1** round

[US Department of Energy](https://millionrounds.com/fund/u-s-department-of-energy) Government **1** round

[K5 Global](https://millionrounds.com/fund/k5-global) Private equity **1** round

[Breakthrough Energy](https://millionrounds.com/fund/breakthrough-energy) VC firm **1** round

Missing a round, or an investor who was in one? [Tell us](https://millionrounds.com/corrections?slug=koloma).

## Also claim to have backed them

These 5 firms list Koloma as a portfolio company on their own websites, but no report of a round names them. They are the firms' own claims, kept apart from the rounds above.

[Energy Impact Partners](https://millionrounds.com/fund/energy-impact-partners) VC firm Per its own site

[Material Impact](https://millionrounds.com/fund/material-impact) VC firm Per its own site

[MOL Switch LLC](https://millionrounds.com/fund/mol-switch-llc) Corporate VC Per its own site

[United Airlines Ventures](https://millionrounds.com/fund/united-airlines-ventures-2) Corporate VC Per its own site

[Keeling Capital](https://millionrounds.com/fund/keeling-capital) Fund of funds Per its own site

## Quick answers about Koloma

### Who invested in Koloma?

Koloma's investors include Khosla Ventures, US Department of Energy, K5 Global and Breakthrough Energy.

### How much has Koloma raised?

Koloma has raised $50M across 1 round since 2024.

### When did Koloma last raise?

Koloma's most recent round was a Series B of $50M in Oct 2024.

### What was Koloma's biggest round?

Its most recent round, $50M in Oct 2024, is also its largest on record.

### Who backed Koloma first?

Koloma's first round on record, in Oct 2024, was backed by Khosla Ventures, US Department of Energy and K5 Global and 1 others.

### What stage is Koloma at?

Koloma's latest named round is a Series B, in Oct 2024.

### Where is Koloma based?

Koloma is based in the United States.

## Companies like Koloma

In the same sector, and raised in the last eighteen months.

[**Amogy** $125M · Oct 2026](https://millionrounds.com/company/amogy)[**LanzaJet** $67M · Oct 2026](https://millionrounds.com/company/lanzajet)[**Pivot Energy** $500M · Oct 2026](https://millionrounds.com/company/pivot-energy)[**Peak Energy** $163M · Oct 2026](https://millionrounds.com/company/peak-energy)[**Pennsylvania American Water** $43M · Oct 2026](https://millionrounds.com/company/pennsylvania-american-water)[**Vertical Semiconductor** $84M · Oct 2026](https://millionrounds.com/company/vertical-semiconductor)

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